| 1 | #include "qemu/osdep.h" |
| 2 | #include <glib/gstdio.h> |
| 3 | |
| 4 | #include "qapi/error.h" |
| 5 | #include "qemu/config-file.h" |
| 6 | #include "qemu/module.h" |
| 7 | #include "qemu/option.h" |
| 8 | #include "qemu/sockets.h" |
| 9 | #include "chardev/char-fe.h" |
| 10 | #include "system/system.h" |
| 11 | #include "qapi/error.h" |
| 12 | #include "qapi/qapi-commands-char.h" |
| 13 | #include "qobject/qdict.h" |
| 14 | #include "qom/qom-qobject.h" |
| 15 | #include "io/channel-socket.h" |
| 16 | #include "qapi/qobject-input-visitor.h" |
| 17 | #include "qapi/qapi-visit-sockets.h" |
| 18 | #include "socket-helpers.h" |
| 19 | |
| 20 | static bool quit; |
| 21 | |
| 22 | typedef struct FeHandler { |
| 23 | int read_count; |
| 24 | bool is_open; |
| 25 | int openclose_count; |
| 26 | bool openclose_mismatch; |
| 27 | int last_event; |
| 28 | char read_buf[128]; |
| 29 | } FeHandler; |
| 30 | |
| 31 | static void main_loop(void) |
| 32 | { |
| 33 | quit = false; |
| 34 | do { |
| 35 | main_loop_wait(false); |
| 36 | } while (!quit); |
| 37 | } |
| 38 | |
| 39 | static int fe_can_read(void *opaque) |
| 40 | { |
| 41 | FeHandler *h = opaque; |
| 42 | |
| 43 | return sizeof(h->read_buf) - h->read_count; |
| 44 | } |
| 45 | |
| 46 | static void fe_read(void *opaque, const uint8_t *buf, int size) |
| 47 | { |
| 48 | FeHandler *h = opaque; |
| 49 | |
| 50 | g_assert_cmpint(size, <=, fe_can_read(opaque)); |
| 51 | |
| 52 | memcpy(h->read_buf + h->read_count, buf, size); |
| 53 | h->read_count += size; |
| 54 | quit = true; |
| 55 | } |
| 56 | |
| 57 | static void fe_event(void *opaque, QEMUChrEvent event) |
| 58 | { |
| 59 | FeHandler *h = opaque; |
| 60 | bool new_open_state; |
| 61 | |
| 62 | h->last_event = event; |
| 63 | switch (event) { |
| 64 | case CHR_EVENT_BREAK: |
| 65 | break; |
| 66 | case CHR_EVENT_OPENED: |
| 67 | case CHR_EVENT_CLOSED: |
| 68 | h->openclose_count++; |
| 69 | new_open_state = (event == CHR_EVENT_OPENED); |
| 70 | if (h->is_open == new_open_state) { |
| 71 | h->openclose_mismatch = true; |
| 72 | } |
| 73 | h->is_open = new_open_state; |
| 74 | /* fallthrough */ |
| 75 | default: |
| 76 | quit = true; |
| 77 | break; |
| 78 | } |
| 79 | } |
| 80 | |
| 81 | #ifdef _WIN32 |
| 82 | static void char_console_test_subprocess(void) |
| 83 | { |
| 84 | QemuOpts *opts; |
| 85 | Chardev *chr; |
| 86 | |
| 87 | opts = qemu_opts_create(qemu_find_opts("chardev"), "console-label", |
| 88 | 1, &error_abort); |
| 89 | qemu_opt_set(opts, "backend", "console", &error_abort); |
| 90 | |
| 91 | chr = qemu_chr_new_from_opts(opts, NULL, NULL); |
| 92 | g_assert_nonnull(chr); |
| 93 | |
| 94 | qemu_chr_write_all(chr, (const uint8_t *)"CONSOLE", 7); |
| 95 | |
| 96 | qemu_opts_del(opts); |
| 97 | object_unparent(OBJECT(chr)); |
| 98 | } |
| 99 | |
| 100 | static void char_console_test(void) |
| 101 | { |
| 102 | g_test_trap_subprocess("/char/console/subprocess", 0, 0); |
| 103 | g_test_trap_assert_passed(); |
| 104 | g_test_trap_assert_stdout("CONSOLE"); |
| 105 | } |
| 106 | #endif |
| 107 | static void char_stdio_test_subprocess(void) |
| 108 | { |
| 109 | Chardev *chr; |
| 110 | CharFrontend c; |
| 111 | int ret; |
| 112 | |
| 113 | chr = qemu_chr_new("label", "stdio", NULL); |
| 114 | g_assert_nonnull(chr); |
| 115 | |
| 116 | qemu_chr_fe_init(&c, chr, &error_abort); |
| 117 | qemu_chr_fe_set_open(&c, true); |
| 118 | ret = qemu_chr_fe_write(&c, (void *)"buf", 4); |
| 119 | g_assert_cmpint(ret, ==, 4); |
| 120 | |
| 121 | qemu_chr_fe_deinit(&c, true); |
| 122 | } |
| 123 | |
| 124 | static void char_stdio_test(void) |
| 125 | { |
| 126 | g_test_trap_subprocess("/char/stdio/subprocess", 0, 0); |
| 127 | g_test_trap_assert_passed(); |
| 128 | g_test_trap_assert_stdout("buf"); |
| 129 | } |
| 130 | |
| 131 | static void char_ringbuf_test(void) |
| 132 | { |
| 133 | QemuOpts *opts; |
| 134 | Chardev *chr; |
| 135 | CharFrontend c; |
| 136 | char *data; |
| 137 | int ret; |
| 138 | |
| 139 | opts = qemu_opts_create(qemu_find_opts("chardev"), "ringbuf-label", |
| 140 | 1, &error_abort); |
| 141 | qemu_opt_set(opts, "backend", "ringbuf", &error_abort); |
| 142 | |
| 143 | qemu_opt_set(opts, "size", "5", &error_abort); |
| 144 | chr = qemu_chr_new_from_opts(opts, NULL, NULL); |
| 145 | g_assert_null(chr); |
| 146 | qemu_opts_del(opts); |
| 147 | |
| 148 | opts = qemu_opts_create(qemu_find_opts("chardev"), "ringbuf-label", |
| 149 | 1, &error_abort); |
| 150 | qemu_opt_set(opts, "backend", "ringbuf", &error_abort); |
| 151 | qemu_opt_set(opts, "size", "2", &error_abort); |
| 152 | chr = qemu_chr_new_from_opts(opts, NULL, &error_abort); |
| 153 | g_assert_nonnull(chr); |
| 154 | qemu_opts_del(opts); |
| 155 | |
| 156 | qemu_chr_fe_init(&c, chr, &error_abort); |
| 157 | ret = qemu_chr_fe_write(&c, (void *)"buff", 4); |
| 158 | g_assert_cmpint(ret, ==, 4); |
| 159 | |
| 160 | data = qmp_ringbuf_read("ringbuf-label", 4, false, 0, &error_abort); |
| 161 | g_assert_cmpstr(data, ==, "ff"); |
| 162 | g_free(data); |
| 163 | |
| 164 | data = qmp_ringbuf_read("ringbuf-label", 4, false, 0, &error_abort); |
| 165 | g_assert_cmpstr(data, ==, ""); |
| 166 | g_free(data); |
| 167 | |
| 168 | qemu_chr_fe_deinit(&c, true); |
| 169 | |
| 170 | /* check alias */ |
| 171 | opts = qemu_opts_create(qemu_find_opts("chardev"), "memory-label", |
| 172 | 1, &error_abort); |
| 173 | qemu_opt_set(opts, "backend", "memory", &error_abort); |
| 174 | qemu_opt_set(opts, "size", "2", &error_abort); |
| 175 | chr = qemu_chr_new_from_opts(opts, NULL, NULL); |
| 176 | g_assert_nonnull(chr); |
| 177 | object_unparent(OBJECT(chr)); |
| 178 | qemu_opts_del(opts); |
| 179 | } |
| 180 | |
| 181 | static void char_mux_test(void) |
| 182 | { |
| 183 | QemuOpts *opts; |
| 184 | Chardev *chr, *base; |
| 185 | char *data; |
| 186 | FeHandler h1 = { 0, false, 0, false, }, h2 = { 0, false, 0, false, }; |
| 187 | CharFrontend chr_fe1, chr_fe2; |
| 188 | Error *error = NULL; |
| 189 | |
| 190 | /* Create mux and chardev to be immediately removed */ |
| 191 | opts = qemu_opts_create(qemu_find_opts("chardev"), "mux-label", |
| 192 | 1, &error_abort); |
| 193 | qemu_opt_set(opts, "backend", "ringbuf", &error_abort); |
| 194 | qemu_opt_set(opts, "size", "128", &error_abort); |
| 195 | qemu_opt_set(opts, "mux", "on", &error_abort); |
| 196 | chr = qemu_chr_new_from_opts(opts, NULL, &error_abort); |
| 197 | g_assert_nonnull(chr); |
| 198 | qemu_opts_del(opts); |
| 199 | |
| 200 | /* Remove just created mux and chardev */ |
| 201 | qmp_chardev_remove("mux-label", &error_abort); |
| 202 | qmp_chardev_remove("mux-label-base", &error_abort); |
| 203 | |
| 204 | opts = qemu_opts_create(qemu_find_opts("chardev"), "mux-label", |
| 205 | 1, &error_abort); |
| 206 | qemu_opt_set(opts, "backend", "ringbuf", &error_abort); |
| 207 | qemu_opt_set(opts, "size", "128", &error_abort); |
| 208 | qemu_opt_set(opts, "mux", "on", &error_abort); |
| 209 | chr = qemu_chr_new_from_opts(opts, NULL, &error_abort); |
| 210 | g_assert_nonnull(chr); |
| 211 | qemu_opts_del(opts); |
| 212 | |
| 213 | qemu_chr_fe_init(&chr_fe1, chr, &error_abort); |
| 214 | qemu_chr_fe_set_handlers(&chr_fe1, |
| 215 | fe_can_read, |
| 216 | fe_read, |
| 217 | fe_event, |
| 218 | NULL, |
| 219 | &h1, |
| 220 | NULL, true); |
| 221 | |
| 222 | qemu_chr_fe_init(&chr_fe2, chr, &error_abort); |
| 223 | qemu_chr_fe_set_handlers(&chr_fe2, |
| 224 | fe_can_read, |
| 225 | fe_read, |
| 226 | fe_event, |
| 227 | NULL, |
| 228 | &h2, |
| 229 | NULL, true); |
| 230 | qemu_chr_fe_take_focus(&chr_fe2); |
| 231 | |
| 232 | base = qemu_chr_find("mux-label-base"); |
| 233 | g_assert_cmpint(qemu_chr_be_can_write(base), !=, 0); |
| 234 | |
| 235 | qemu_chr_be_write(base, (void *)"hello", 6); |
| 236 | g_assert_cmpint(h1.read_count, ==, 0); |
| 237 | g_assert_cmpint(h2.read_count, ==, 6); |
| 238 | g_assert_cmpstr(h2.read_buf, ==, "hello"); |
| 239 | h2.read_count = 0; |
| 240 | |
| 241 | g_assert_cmpint(h1.last_event, !=, 42); /* should be MUX_OUT or OPENED */ |
| 242 | g_assert_cmpint(h2.last_event, !=, 42); /* should be MUX_IN or OPENED */ |
| 243 | /* sending event on the base broadcast to all fe, historical reasons? */ |
| 244 | qemu_chr_be_event(base, 42); |
| 245 | g_assert_cmpint(h1.last_event, ==, 42); |
| 246 | g_assert_cmpint(h2.last_event, ==, 42); |
| 247 | qemu_chr_be_event(chr, -1); |
| 248 | g_assert_cmpint(h1.last_event, ==, 42); |
| 249 | g_assert_cmpint(h2.last_event, ==, -1); |
| 250 | |
| 251 | /* switch focus */ |
| 252 | qemu_chr_be_write(base, (void *)"\1b", 2); |
| 253 | g_assert_cmpint(h1.last_event, ==, 42); |
| 254 | g_assert_cmpint(h2.last_event, ==, CHR_EVENT_BREAK); |
| 255 | |
| 256 | qemu_chr_be_write(base, (void *)"\1c", 2); |
| 257 | g_assert_cmpint(h1.last_event, ==, CHR_EVENT_MUX_IN); |
| 258 | g_assert_cmpint(h2.last_event, ==, CHR_EVENT_MUX_OUT); |
| 259 | qemu_chr_be_event(chr, -1); |
| 260 | g_assert_cmpint(h1.last_event, ==, -1); |
| 261 | g_assert_cmpint(h2.last_event, ==, CHR_EVENT_MUX_OUT); |
| 262 | |
| 263 | qemu_chr_be_write(base, (void *)"hello", 6); |
| 264 | g_assert_cmpint(h2.read_count, ==, 0); |
| 265 | g_assert_cmpint(h1.read_count, ==, 6); |
| 266 | g_assert_cmpstr(h1.read_buf, ==, "hello"); |
| 267 | h1.read_count = 0; |
| 268 | |
| 269 | qemu_chr_be_write(base, (void *)"\1b", 2); |
| 270 | g_assert_cmpint(h1.last_event, ==, CHR_EVENT_BREAK); |
| 271 | g_assert_cmpint(h2.last_event, ==, CHR_EVENT_MUX_OUT); |
| 272 | |
| 273 | /* open/close state and corresponding events */ |
| 274 | g_assert_true(qemu_chr_fe_backend_open(&chr_fe1)); |
| 275 | g_assert_true(qemu_chr_fe_backend_open(&chr_fe2)); |
| 276 | g_assert_true(h1.is_open); |
| 277 | g_assert_false(h1.openclose_mismatch); |
| 278 | g_assert_true(h2.is_open); |
| 279 | g_assert_false(h2.openclose_mismatch); |
| 280 | |
| 281 | h1.openclose_count = h2.openclose_count = 0; |
| 282 | |
| 283 | qemu_chr_fe_set_handlers(&chr_fe1, NULL, NULL, NULL, NULL, |
| 284 | NULL, NULL, false); |
| 285 | qemu_chr_fe_set_handlers(&chr_fe2, NULL, NULL, NULL, NULL, |
| 286 | NULL, NULL, false); |
| 287 | g_assert_cmpint(h1.openclose_count, ==, 0); |
| 288 | g_assert_cmpint(h2.openclose_count, ==, 0); |
| 289 | |
| 290 | h1.is_open = h2.is_open = false; |
| 291 | qemu_chr_fe_set_handlers(&chr_fe1, |
| 292 | NULL, |
| 293 | NULL, |
| 294 | fe_event, |
| 295 | NULL, |
| 296 | &h1, |
| 297 | NULL, false); |
| 298 | qemu_chr_fe_set_handlers(&chr_fe2, |
| 299 | NULL, |
| 300 | NULL, |
| 301 | fe_event, |
| 302 | NULL, |
| 303 | &h2, |
| 304 | NULL, false); |
| 305 | g_assert_cmpint(h1.openclose_count, ==, 1); |
| 306 | g_assert_false(h1.openclose_mismatch); |
| 307 | g_assert_cmpint(h2.openclose_count, ==, 1); |
| 308 | g_assert_false(h2.openclose_mismatch); |
| 309 | |
| 310 | qemu_chr_be_event(base, CHR_EVENT_CLOSED); |
| 311 | qemu_chr_be_event(base, CHR_EVENT_OPENED); |
| 312 | g_assert_cmpint(h1.openclose_count, ==, 3); |
| 313 | g_assert_false(h1.openclose_mismatch); |
| 314 | g_assert_cmpint(h2.openclose_count, ==, 3); |
| 315 | g_assert_false(h2.openclose_mismatch); |
| 316 | |
| 317 | qemu_chr_fe_set_handlers(&chr_fe2, |
| 318 | fe_can_read, |
| 319 | fe_read, |
| 320 | fe_event, |
| 321 | NULL, |
| 322 | &h2, |
| 323 | NULL, false); |
| 324 | qemu_chr_fe_set_handlers(&chr_fe1, |
| 325 | fe_can_read, |
| 326 | fe_read, |
| 327 | fe_event, |
| 328 | NULL, |
| 329 | &h1, |
| 330 | NULL, false); |
| 331 | |
| 332 | /* remove first handler */ |
| 333 | qemu_chr_fe_set_handlers(&chr_fe1, NULL, NULL, NULL, NULL, |
| 334 | NULL, NULL, true); |
| 335 | qemu_chr_be_write(base, (void *)"hello", 6); |
| 336 | g_assert_cmpint(h1.read_count, ==, 0); |
| 337 | g_assert_cmpint(h2.read_count, ==, 0); |
| 338 | |
| 339 | qemu_chr_be_write(base, (void *)"\1c", 2); |
| 340 | qemu_chr_be_write(base, (void *)"hello", 6); |
| 341 | g_assert_cmpint(h1.read_count, ==, 0); |
| 342 | g_assert_cmpint(h2.read_count, ==, 6); |
| 343 | g_assert_cmpstr(h2.read_buf, ==, "hello"); |
| 344 | h2.read_count = 0; |
| 345 | |
| 346 | /* print help */ |
| 347 | qemu_chr_be_write(base, (void *)"\1?", 2); |
| 348 | data = qmp_ringbuf_read("mux-label-base", 128, false, 0, &error_abort); |
| 349 | g_assert_cmpint(strlen(data), !=, 0); |
| 350 | g_free(data); |
| 351 | |
| 352 | qemu_chr_fe_deinit(&chr_fe1, false); |
| 353 | |
| 354 | qmp_chardev_remove("mux-label", &error); |
| 355 | g_assert_cmpstr(error_get_pretty(error), ==, "Chardev 'mux-label' is busy"); |
| 356 | error_free(error); |
| 357 | |
| 358 | qemu_chr_fe_deinit(&chr_fe2, false); |
| 359 | qmp_chardev_remove("mux-label", &error_abort); |
| 360 | } |
| 361 | |
| 362 | static void char_hub_test(void) |
| 363 | { |
| 364 | QemuOpts *opts; |
| 365 | Chardev *hub, *chr1, *chr2, *base; |
| 366 | char *data; |
| 367 | FeHandler h = { 0, false, 0, false, }; |
| 368 | Error *error = NULL; |
| 369 | CharFrontend chr_fe; |
| 370 | int ret, i; |
| 371 | |
| 372 | #define RB_SIZE 128 |
| 373 | |
| 374 | /* |
| 375 | * Create invalid hub |
| 376 | * 1. Create hub without a 'chardevs.N' defined (expect error) |
| 377 | */ |
| 378 | opts = qemu_opts_create(qemu_find_opts("chardev"), "hub0", |
| 379 | 1, &error_abort); |
| 380 | qemu_opt_set(opts, "backend", "hub", &error_abort); |
| 381 | hub = qemu_chr_new_from_opts(opts, NULL, &error); |
| 382 | g_assert_cmpstr(error_get_pretty(error), ==, |
| 383 | "hub: 'chardevs' list is not defined"); |
| 384 | error_free(error); |
| 385 | error = NULL; |
| 386 | qemu_opts_del(opts); |
| 387 | |
| 388 | /* |
| 389 | * Create invalid hub |
| 390 | * 1. Create chardev with embedded mux: 'mux=on' |
| 391 | * 2. Create hub which refers mux |
| 392 | * 3. Create hub which refers chardev already attached |
| 393 | * to the mux (already in use, expect error) |
| 394 | */ |
| 395 | opts = qemu_opts_create(qemu_find_opts("chardev"), "chr0", |
| 396 | 1, &error_abort); |
| 397 | qemu_opt_set(opts, "mux", "on", &error_abort); |
| 398 | qemu_opt_set(opts, "backend", "ringbuf", &error_abort); |
| 399 | qemu_opt_set(opts, "size", stringify(RB_SIZE), &error_abort); |
| 400 | base = qemu_chr_new_from_opts(opts, NULL, &error_abort); |
| 401 | g_assert_nonnull(base); |
| 402 | qemu_opts_del(opts); |
| 403 | |
| 404 | opts = qemu_opts_create(qemu_find_opts("chardev"), "hub0", |
| 405 | 1, &error_abort); |
| 406 | qemu_opt_set(opts, "backend", "hub", &error_abort); |
| 407 | qemu_opt_set(opts, "chardevs.0", "chr0", &error_abort); |
| 408 | hub = qemu_chr_new_from_opts(opts, NULL, &error); |
| 409 | g_assert_cmpstr(error_get_pretty(error), ==, |
| 410 | "hub: multiplexers and hub devices can't be " |
| 411 | "stacked, check chardev 'chr0', chardev should " |
| 412 | "not be a hub device or have 'mux=on' enabled"); |
| 413 | error_free(error); |
| 414 | error = NULL; |
| 415 | qemu_opts_del(opts); |
| 416 | |
| 417 | opts = qemu_opts_create(qemu_find_opts("chardev"), "hub0", |
| 418 | 1, &error_abort); |
| 419 | qemu_opt_set(opts, "backend", "hub", &error_abort); |
| 420 | qemu_opt_set(opts, "chardevs.0", "chr0-base", &error_abort); |
| 421 | hub = qemu_chr_new_from_opts(opts, NULL, &error); |
| 422 | g_assert_cmpstr(error_get_pretty(error), ==, |
| 423 | "chardev 'chr0-base' is already in use"); |
| 424 | error_free(error); |
| 425 | error = NULL; |
| 426 | qemu_opts_del(opts); |
| 427 | |
| 428 | /* Finalize chr0 */ |
| 429 | qmp_chardev_remove("chr0", &error_abort); |
| 430 | |
| 431 | /* |
| 432 | * Create invalid hub with more than maximum allowed backends |
| 433 | * 1. Create more than maximum allowed 'chardevs.%d' options for |
| 434 | * hub (expect error) |
| 435 | */ |
| 436 | opts = qemu_opts_create(qemu_find_opts("chardev"), "hub0", |
| 437 | 1, &error_abort); |
| 438 | for (i = 0; i < 10; i++) { |
| 439 | char key[32], val[32]; |
| 440 | |
| 441 | snprintf(key, sizeof(key), "chardevs.%d", i); |
| 442 | snprintf(val, sizeof(val), "chr%d", i); |
| 443 | qemu_opt_set(opts, key, val, &error); |
| 444 | if (error) { |
| 445 | char buf[64]; |
| 446 | |
| 447 | snprintf(buf, sizeof(buf), "Invalid parameter 'chardevs.%d'", i); |
| 448 | g_assert_cmpstr(error_get_pretty(error), ==, buf); |
| 449 | error_free(error); |
| 450 | break; |
| 451 | } |
| 452 | } |
| 453 | g_assert_nonnull(error); |
| 454 | error = NULL; |
| 455 | qemu_opts_del(opts); |
| 456 | |
| 457 | /* |
| 458 | * Create hub with 2 backend chardevs and 1 frontend and perform |
| 459 | * data aggregation |
| 460 | * 1. Create 2 ringbuf backend chardevs |
| 461 | * 2. Create 1 frontend |
| 462 | * 3. Create hub which refers 2 backend chardevs |
| 463 | * 4. Attach hub to a frontend |
| 464 | * 5. Attach hub to a frontend second time (expect error) |
| 465 | * 6. Perform data aggregation |
| 466 | * 7. Remove chr1 ("chr1 is busy", expect error) |
| 467 | * 8. Remove hub0 ("hub0 is busy", expect error); |
| 468 | * 9. Finilize frontend, hub and backend chardevs in correct order |
| 469 | */ |
| 470 | |
| 471 | /* Create first chardev */ |
| 472 | opts = qemu_opts_create(qemu_find_opts("chardev"), "chr1", |
| 473 | 1, &error_abort); |
| 474 | qemu_opt_set(opts, "backend", "ringbuf", &error_abort); |
| 475 | qemu_opt_set(opts, "size", stringify(RB_SIZE), &error_abort); |
| 476 | chr1 = qemu_chr_new_from_opts(opts, NULL, &error_abort); |
| 477 | g_assert_nonnull(chr1); |
| 478 | qemu_opts_del(opts); |
| 479 | |
| 480 | /* Create second chardev */ |
| 481 | opts = qemu_opts_create(qemu_find_opts("chardev"), "chr2", |
| 482 | 1, &error_abort); |
| 483 | qemu_opt_set(opts, "backend", "ringbuf", &error_abort); |
| 484 | qemu_opt_set(opts, "size", stringify(RB_SIZE), &error_abort); |
| 485 | chr2 = qemu_chr_new_from_opts(opts, NULL, &error_abort); |
| 486 | g_assert_nonnull(chr2); |
| 487 | qemu_opts_del(opts); |
| 488 | |
| 489 | /* Create hub0 and refer 2 backend chardevs */ |
| 490 | opts = qemu_opts_create(qemu_find_opts("chardev"), "hub0", |
| 491 | 1, &error_abort); |
| 492 | qemu_opt_set(opts, "backend", "hub", &error_abort); |
| 493 | qemu_opt_set(opts, "chardevs.0", "chr1", &error_abort); |
| 494 | qemu_opt_set(opts, "chardevs.1", "chr2", &error_abort); |
| 495 | hub = qemu_chr_new_from_opts(opts, NULL, &error_abort); |
| 496 | g_assert_nonnull(hub); |
| 497 | qemu_opts_del(opts); |
| 498 | |
| 499 | /* Attach hub to a frontend */ |
| 500 | qemu_chr_fe_init(&chr_fe, hub, &error_abort); |
| 501 | qemu_chr_fe_set_handlers(&chr_fe, |
| 502 | fe_can_read, |
| 503 | fe_read, |
| 504 | fe_event, |
| 505 | NULL, |
| 506 | &h, |
| 507 | NULL, true); |
| 508 | |
| 509 | /* Fails second time */ |
| 510 | qemu_chr_fe_init(&chr_fe, hub, &error); |
| 511 | g_assert_cmpstr(error_get_pretty(error), ==, "chardev 'hub0' is already in use"); |
| 512 | error_free(error); |
| 513 | error = NULL; |
| 514 | |
| 515 | /* Write to backend, chr1 */ |
| 516 | base = qemu_chr_find("chr1"); |
| 517 | g_assert_cmpint(qemu_chr_be_can_write(base), !=, 0); |
| 518 | |
| 519 | qemu_chr_be_write(base, (void *)"hello", 6); |
| 520 | g_assert_cmpint(h.read_count, ==, 6); |
| 521 | g_assert_cmpstr(h.read_buf, ==, "hello"); |
| 522 | h.read_count = 0; |
| 523 | |
| 524 | /* Write to backend, chr2 */ |
| 525 | base = qemu_chr_find("chr2"); |
| 526 | g_assert_cmpint(qemu_chr_be_can_write(base), !=, 0); |
| 527 | |
| 528 | qemu_chr_be_write(base, (void *)"olleh", 6); |
| 529 | g_assert_cmpint(h.read_count, ==, 6); |
| 530 | g_assert_cmpstr(h.read_buf, ==, "olleh"); |
| 531 | h.read_count = 0; |
| 532 | |
| 533 | /* Write to frontend, chr_be */ |
| 534 | ret = qemu_chr_fe_write(&chr_fe, (void *)"heyhey", 6); |
| 535 | g_assert_cmpint(ret, ==, 6); |
| 536 | |
| 537 | data = qmp_ringbuf_read("chr1", RB_SIZE, false, 0, &error_abort); |
| 538 | g_assert_cmpint(strlen(data), ==, 6); |
| 539 | g_assert_cmpstr(data, ==, "heyhey"); |
| 540 | g_free(data); |
| 541 | |
| 542 | data = qmp_ringbuf_read("chr2", RB_SIZE, false, 0, &error_abort); |
| 543 | g_assert_cmpint(strlen(data), ==, 6); |
| 544 | g_assert_cmpstr(data, ==, "heyhey"); |
| 545 | g_free(data); |
| 546 | |
| 547 | /* Can't be removed, depends on hub0 */ |
| 548 | qmp_chardev_remove("chr1", &error); |
| 549 | g_assert_cmpstr(error_get_pretty(error), ==, "Chardev 'chr1' is busy"); |
| 550 | error_free(error); |
| 551 | error = NULL; |
| 552 | |
| 553 | /* Can't be removed, depends on frontend chr_be */ |
| 554 | qmp_chardev_remove("hub0", &error); |
| 555 | g_assert_cmpstr(error_get_pretty(error), ==, "Chardev 'hub0' is busy"); |
| 556 | error_free(error); |
| 557 | error = NULL; |
| 558 | |
| 559 | /* Finalize frontend */ |
| 560 | qemu_chr_fe_deinit(&chr_fe, false); |
| 561 | |
| 562 | /* Finalize hub0 */ |
| 563 | qmp_chardev_remove("hub0", &error_abort); |
| 564 | |
| 565 | /* Finalize backend chardevs */ |
| 566 | qmp_chardev_remove("chr1", &error_abort); |
| 567 | qmp_chardev_remove("chr2", &error_abort); |
| 568 | |
| 569 | #ifndef _WIN32 |
| 570 | /* |
| 571 | * Create 3 backend chardevs to simulate EAGAIN and watcher. |
| 572 | * Mainly copied from char_pipe_test(). |
| 573 | * 1. Create 2 ringbuf backend chardevs |
| 574 | * 2. Create 1 pipe backend chardev |
| 575 | * 3. Create 1 frontend |
| 576 | * 4. Create hub which refers 2 backend chardevs |
| 577 | * 5. Attach hub to a frontend |
| 578 | * 6. Perform data aggregation and check watcher |
| 579 | * 7. Finilize frontend, hub and backend chardevs in correct order |
| 580 | */ |
| 581 | { |
| 582 | gchar *tmp_path = g_dir_make_tmp("qemu-test-char.XXXXXX", NULL); |
| 583 | gchar *in, *out, *pipe = g_build_filename(tmp_path, "pipe", NULL); |
| 584 | Chardev *chr3; |
| 585 | int fd, len; |
| 586 | char buf[128]; |
| 587 | |
| 588 | in = g_strdup_printf("%s.in", pipe); |
| 589 | if (mkfifo(in, 0600) < 0) { |
| 590 | abort(); |
| 591 | } |
| 592 | out = g_strdup_printf("%s.out", pipe); |
| 593 | if (mkfifo(out, 0600) < 0) { |
| 594 | abort(); |
| 595 | } |
| 596 | |
| 597 | /* Create first chardev */ |
| 598 | opts = qemu_opts_create(qemu_find_opts("chardev"), "chr1", |
| 599 | 1, &error_abort); |
| 600 | qemu_opt_set(opts, "backend", "ringbuf", &error_abort); |
| 601 | qemu_opt_set(opts, "size", stringify(RB_SIZE), &error_abort); |
| 602 | chr1 = qemu_chr_new_from_opts(opts, NULL, &error_abort); |
| 603 | g_assert_nonnull(chr1); |
| 604 | qemu_opts_del(opts); |
| 605 | |
| 606 | /* Create second chardev */ |
| 607 | opts = qemu_opts_create(qemu_find_opts("chardev"), "chr2", |
| 608 | 1, &error_abort); |
| 609 | qemu_opt_set(opts, "backend", "ringbuf", &error_abort); |
| 610 | qemu_opt_set(opts, "size", stringify(RB_SIZE), &error_abort); |
| 611 | chr2 = qemu_chr_new_from_opts(opts, NULL, &error_abort); |
| 612 | g_assert_nonnull(chr2); |
| 613 | qemu_opts_del(opts); |
| 614 | |
| 615 | /* Create third chardev */ |
| 616 | opts = qemu_opts_create(qemu_find_opts("chardev"), "chr3", |
| 617 | 1, &error_abort); |
| 618 | qemu_opt_set(opts, "backend", "pipe", &error_abort); |
| 619 | qemu_opt_set(opts, "path", pipe, &error_abort); |
| 620 | chr3 = qemu_chr_new_from_opts(opts, NULL, &error_abort); |
| 621 | g_assert_nonnull(chr3); |
| 622 | |
| 623 | /* Create hub0 and refer 3 backend chardevs */ |
| 624 | opts = qemu_opts_create(qemu_find_opts("chardev"), "hub0", |
| 625 | 1, &error_abort); |
| 626 | qemu_opt_set(opts, "backend", "hub", &error_abort); |
| 627 | qemu_opt_set(opts, "chardevs.0", "chr1", &error_abort); |
| 628 | qemu_opt_set(opts, "chardevs.1", "chr2", &error_abort); |
| 629 | qemu_opt_set(opts, "chardevs.2", "chr3", &error_abort); |
| 630 | hub = qemu_chr_new_from_opts(opts, NULL, &error_abort); |
| 631 | g_assert_nonnull(hub); |
| 632 | qemu_opts_del(opts); |
| 633 | |
| 634 | /* Attach hub to a frontend */ |
| 635 | qemu_chr_fe_init(&chr_fe, hub, &error_abort); |
| 636 | qemu_chr_fe_set_handlers(&chr_fe, |
| 637 | fe_can_read, |
| 638 | fe_read, |
| 639 | fe_event, |
| 640 | NULL, |
| 641 | &h, |
| 642 | NULL, true); |
| 643 | |
| 644 | /* Write to frontend, chr_be */ |
| 645 | ret = qemu_chr_fe_write(&chr_fe, (void *)"thisis", 6); |
| 646 | g_assert_cmpint(ret, ==, 6); |
| 647 | |
| 648 | data = qmp_ringbuf_read("chr1", RB_SIZE, false, 0, &error_abort); |
| 649 | g_assert_cmpint(strlen(data), ==, 6); |
| 650 | g_assert_cmpstr(data, ==, "thisis"); |
| 651 | g_free(data); |
| 652 | |
| 653 | data = qmp_ringbuf_read("chr2", RB_SIZE, false, 0, &error_abort); |
| 654 | g_assert_cmpint(strlen(data), ==, 6); |
| 655 | g_assert_cmpstr(data, ==, "thisis"); |
| 656 | g_free(data); |
| 657 | |
| 658 | fd = open(out, O_RDWR); |
| 659 | ret = read(fd, buf, sizeof(buf)); |
| 660 | g_assert_cmpint(ret, ==, 6); |
| 661 | buf[ret] = 0; |
| 662 | g_assert_cmpstr(buf, ==, "thisis"); |
| 663 | close(fd); |
| 664 | |
| 665 | /* Add watch. 0 indicates no watches if nothing to wait for */ |
| 666 | ret = qemu_chr_fe_add_watch(&chr_fe, G_IO_OUT | G_IO_HUP, |
| 667 | NULL, NULL); |
| 668 | g_assert_cmpint(ret, ==, 0); |
| 669 | |
| 670 | /* |
| 671 | * Write to frontend, chr_be, until EAGAIN. Make sure length is |
| 672 | * power of two to fit nicely the whole pipe buffer. |
| 673 | */ |
| 674 | len = 0; |
| 675 | while ((ret = qemu_chr_fe_write(&chr_fe, (void *)"thisisit", 8)) |
| 676 | != -1) { |
| 677 | len += ret; |
| 678 | } |
| 679 | g_assert_cmpint(errno, ==, EAGAIN); |
| 680 | |
| 681 | /* Further all writes should cause EAGAIN */ |
| 682 | ret = qemu_chr_fe_write(&chr_fe, (void *)"b", 1); |
| 683 | g_assert_cmpint(ret, ==, -1); |
| 684 | g_assert_cmpint(errno, ==, EAGAIN); |
| 685 | |
| 686 | /* |
| 687 | * Add watch. Non 0 indicates we have a blocked chardev, which |
| 688 | * can wakes us up when write is possible. |
| 689 | */ |
| 690 | ret = qemu_chr_fe_add_watch(&chr_fe, G_IO_OUT | G_IO_HUP, |
| 691 | NULL, NULL); |
| 692 | g_assert_cmpint(ret, !=, 0); |
| 693 | g_source_remove(ret); |
| 694 | |
| 695 | /* Drain pipe and ring buffers */ |
| 696 | fd = open(out, O_RDWR); |
| 697 | while ((ret = read(fd, buf, MIN(sizeof(buf), len))) != -1 && len > 0) { |
| 698 | len -= ret; |
| 699 | } |
| 700 | close(fd); |
| 701 | |
| 702 | data = qmp_ringbuf_read("chr1", RB_SIZE, false, 0, &error_abort); |
| 703 | g_assert_cmpint(strlen(data), ==, 128); |
| 704 | g_free(data); |
| 705 | |
| 706 | data = qmp_ringbuf_read("chr2", RB_SIZE, false, 0, &error_abort); |
| 707 | g_assert_cmpint(strlen(data), ==, 128); |
| 708 | g_free(data); |
| 709 | |
| 710 | /* |
| 711 | * Now we are good to go, first repeat "lost" sequence, which |
| 712 | * was already consumed and drained by the ring buffers, but |
| 713 | * the pipe has not received it yet. |
| 714 | */ |
| 715 | ret = qemu_chr_fe_write(&chr_fe, (void *)"thisisit", 8); |
| 716 | g_assert_cmpint(ret, ==, 8); |
| 717 | |
| 718 | ret = qemu_chr_fe_write(&chr_fe, (void *)"streamisrestored", 16); |
| 719 | g_assert_cmpint(ret, ==, 16); |
| 720 | |
| 721 | data = qmp_ringbuf_read("chr1", RB_SIZE, false, 0, &error_abort); |
| 722 | g_assert_cmpint(strlen(data), ==, 16); |
| 723 | /* Only last 16 bytes, see big comment above */ |
| 724 | g_assert_cmpstr(data, ==, "streamisrestored"); |
| 725 | g_free(data); |
| 726 | |
| 727 | data = qmp_ringbuf_read("chr2", RB_SIZE, false, 0, &error_abort); |
| 728 | g_assert_cmpint(strlen(data), ==, 16); |
| 729 | /* Only last 16 bytes, see big comment above */ |
| 730 | g_assert_cmpstr(data, ==, "streamisrestored"); |
| 731 | g_free(data); |
| 732 | |
| 733 | fd = open(out, O_RDWR); |
| 734 | ret = read(fd, buf, sizeof(buf)); |
| 735 | g_assert_cmpint(ret, ==, 24); |
| 736 | buf[ret] = 0; |
| 737 | /* Both 8 and 16 bytes */ |
| 738 | g_assert_cmpstr(buf, ==, "thisisitstreamisrestored"); |
| 739 | close(fd); |
| 740 | |
| 741 | g_free(in); |
| 742 | g_free(out); |
| 743 | g_free(tmp_path); |
| 744 | g_free(pipe); |
| 745 | |
| 746 | /* Finalize frontend */ |
| 747 | qemu_chr_fe_deinit(&chr_fe, false); |
| 748 | |
| 749 | /* Finalize hub0 */ |
| 750 | qmp_chardev_remove("hub0", &error_abort); |
| 751 | |
| 752 | /* Finalize backend chardevs */ |
| 753 | qmp_chardev_remove("chr1", &error_abort); |
| 754 | qmp_chardev_remove("chr2", &error_abort); |
| 755 | qmp_chardev_remove("chr3", &error_abort); |
| 756 | } |
| 757 | #endif |
| 758 | } |
| 759 | |
| 760 | static void websock_server_read(void *opaque, const uint8_t *buf, int size) |
| 761 | { |
| 762 | g_assert_cmpint(size, ==, 5); |
| 763 | g_assert(memcmp(buf, "world", size) == 0); |
| 764 | quit = true; |
| 765 | } |
| 766 | |
| 767 | |
| 768 | static int websock_server_can_read(void *opaque) |
| 769 | { |
| 770 | return 10; |
| 771 | } |
| 772 | |
| 773 | |
| 774 | static bool websock_check_http_headers(char *buf, int size) |
| 775 | { |
| 776 | int i; |
| 777 | const char *ans[] = { "HTTP/1.1 101 Switching Protocols\r\n", |
| 778 | "Server: QEMU VNC\r\n", |
| 779 | "Upgrade: websocket\r\n", |
| 780 | "Connection: Upgrade\r\n", |
| 781 | "Sec-WebSocket-Accept:", |
| 782 | "Sec-WebSocket-Protocol: binary\r\n" }; |
| 783 | |
| 784 | for (i = 0; i < 6; i++) { |
| 785 | if (g_strstr_len(buf, size, ans[i]) == NULL) { |
| 786 | return false; |
| 787 | } |
| 788 | } |
| 789 | |
| 790 | return true; |
| 791 | } |
| 792 | |
| 793 | |
| 794 | static void websock_client_read(void *opaque, const uint8_t *buf, int size) |
| 795 | { |
| 796 | const uint8_t ping[] = { 0x89, 0x85, /* Ping header */ |
| 797 | 0x07, 0x77, 0x9e, 0xf9, /* Masking key */ |
| 798 | 0x6f, 0x12, 0xf2, 0x95, 0x68 /* "hello" */ }; |
| 799 | |
| 800 | const uint8_t binary[] = { 0x82, 0x85, /* Binary header */ |
| 801 | 0x74, 0x90, 0xb9, 0xdf, /* Masking key */ |
| 802 | 0x03, 0xff, 0xcb, 0xb3, 0x10 /* "world" */ }; |
| 803 | Chardev *chr_client = opaque; |
| 804 | |
| 805 | if (websock_check_http_headers((char *) buf, size)) { |
| 806 | qemu_chr_fe_write(chr_client->fe, ping, sizeof(ping)); |
| 807 | } else if (buf[0] == 0x8a && buf[1] == 0x05) { |
| 808 | g_assert(strncmp((char *) buf + 2, "hello", 5) == 0); |
| 809 | qemu_chr_fe_write(chr_client->fe, binary, sizeof(binary)); |
| 810 | } else { |
| 811 | g_assert(buf[0] == 0x88 && buf[1] == 0x16); |
| 812 | g_assert(strncmp((char *) buf + 4, "peer requested close", 10) == 0); |
| 813 | quit = true; |
| 814 | } |
| 815 | } |
| 816 | |
| 817 | |
| 818 | static int websock_client_can_read(void *opaque) |
| 819 | { |
| 820 | return 4096; |
| 821 | } |
| 822 | |
| 823 | |
| 824 | static void char_websock_test(void) |
| 825 | { |
| 826 | QObject *addr; |
| 827 | QDict *qdict; |
| 828 | const char *port; |
| 829 | char *tmp; |
| 830 | char *handshake_port; |
| 831 | CharFrontend fe; |
| 832 | CharFrontend client_fe; |
| 833 | Chardev *chr_client; |
| 834 | Chardev *chr = qemu_chr_new("server", |
| 835 | "websocket:127.0.0.1:0,server=on,wait=off", NULL); |
| 836 | const char handshake[] = "GET / HTTP/1.1\r\n" |
| 837 | "Upgrade: websocket\r\n" |
| 838 | "Connection: Upgrade\r\n" |
| 839 | "Host: localhost:%s\r\n" |
| 840 | "Origin: http://localhost:%s\r\n" |
| 841 | "Sec-WebSocket-Key: o9JHNiS3/0/0zYE1wa3yIw==\r\n" |
| 842 | "Sec-WebSocket-Version: 13\r\n" |
| 843 | "Sec-WebSocket-Protocol: binary\r\n\r\n"; |
| 844 | const uint8_t close[] = { 0x88, 0x82, /* Close header */ |
| 845 | 0xef, 0xaa, 0xc5, 0x97, /* Masking key */ |
| 846 | 0xec, 0x42 /* Status code */ }; |
| 847 | |
| 848 | addr = object_property_get_qobject(OBJECT(chr), "addr", &error_abort); |
| 849 | qdict = qobject_to(QDict, addr); |
| 850 | port = qdict_get_str(qdict, "port"); |
| 851 | tmp = g_strdup_printf("tcp:127.0.0.1:%s", port); |
| 852 | handshake_port = g_strdup_printf(handshake, port, port); |
| 853 | qobject_unref(qdict); |
| 854 | |
| 855 | qemu_chr_fe_init(&fe, chr, &error_abort); |
| 856 | qemu_chr_fe_set_handlers(&fe, websock_server_can_read, websock_server_read, |
| 857 | NULL, NULL, chr, NULL, true); |
| 858 | |
| 859 | chr_client = qemu_chr_new("client", tmp, NULL); |
| 860 | qemu_chr_fe_init(&client_fe, chr_client, &error_abort); |
| 861 | qemu_chr_fe_set_handlers(&client_fe, websock_client_can_read, |
| 862 | websock_client_read, |
| 863 | NULL, NULL, chr_client, NULL, true); |
| 864 | g_free(tmp); |
| 865 | |
| 866 | qemu_chr_write_all(chr_client, |
| 867 | (uint8_t *) handshake_port, |
| 868 | strlen(handshake_port)); |
| 869 | g_free(handshake_port); |
| 870 | main_loop(); |
| 871 | |
| 872 | g_assert(object_property_get_bool(OBJECT(chr), "connected", &error_abort)); |
| 873 | g_assert(object_property_get_bool(OBJECT(chr_client), |
| 874 | "connected", &error_abort)); |
| 875 | |
| 876 | qemu_chr_write_all(chr_client, close, sizeof(close)); |
| 877 | main_loop(); |
| 878 | |
| 879 | object_unparent(OBJECT(chr_client)); |
| 880 | object_unparent(OBJECT(chr)); |
| 881 | } |
| 882 | |
| 883 | |
| 884 | #ifndef _WIN32 |
| 885 | static void char_pipe_test(void) |
| 886 | { |
| 887 | gchar *tmp_path = g_dir_make_tmp("qemu-test-char.XXXXXX", NULL); |
| 888 | gchar *tmp, *in, *out, *pipe = g_build_filename(tmp_path, "pipe", NULL); |
| 889 | Chardev *chr; |
| 890 | CharFrontend c; |
| 891 | int ret, fd; |
| 892 | char buf[10]; |
| 893 | FeHandler fe = { 0, }; |
| 894 | |
| 895 | in = g_strdup_printf("%s.in", pipe); |
| 896 | if (mkfifo(in, 0600) < 0) { |
| 897 | abort(); |
| 898 | } |
| 899 | out = g_strdup_printf("%s.out", pipe); |
| 900 | if (mkfifo(out, 0600) < 0) { |
| 901 | abort(); |
| 902 | } |
| 903 | |
| 904 | tmp = g_strdup_printf("pipe:%s", pipe); |
| 905 | chr = qemu_chr_new("pipe", tmp, NULL); |
| 906 | g_assert_nonnull(chr); |
| 907 | g_free(tmp); |
| 908 | |
| 909 | qemu_chr_fe_init(&c, chr, &error_abort); |
| 910 | |
| 911 | ret = qemu_chr_fe_write(&c, (void *)"pipe-out", 9); |
| 912 | g_assert_cmpint(ret, ==, 9); |
| 913 | |
| 914 | fd = open(out, O_RDWR); |
| 915 | ret = read(fd, buf, sizeof(buf)); |
| 916 | g_assert_cmpint(ret, ==, 9); |
| 917 | g_assert_cmpstr(buf, ==, "pipe-out"); |
| 918 | close(fd); |
| 919 | |
| 920 | fd = open(in, O_WRONLY); |
| 921 | ret = write(fd, "pipe-in", 8); |
| 922 | g_assert_cmpint(ret, ==, 8); |
| 923 | close(fd); |
| 924 | |
| 925 | qemu_chr_fe_set_handlers(&c, |
| 926 | fe_can_read, |
| 927 | fe_read, |
| 928 | fe_event, |
| 929 | NULL, |
| 930 | &fe, |
| 931 | NULL, true); |
| 932 | |
| 933 | main_loop(); |
| 934 | |
| 935 | g_assert_cmpint(fe.read_count, ==, 8); |
| 936 | g_assert_cmpstr(fe.read_buf, ==, "pipe-in"); |
| 937 | |
| 938 | qemu_chr_fe_deinit(&c, true); |
| 939 | |
| 940 | g_assert(g_unlink(in) == 0); |
| 941 | g_assert(g_unlink(out) == 0); |
| 942 | g_assert(g_rmdir(tmp_path) == 0); |
| 943 | g_free(in); |
| 944 | g_free(out); |
| 945 | g_free(tmp_path); |
| 946 | g_free(pipe); |
| 947 | } |
| 948 | #endif |
| 949 | |
| 950 | typedef struct SocketIdleData { |
| 951 | GMainLoop *loop; |
| 952 | Chardev *chr; |
| 953 | bool conn_expected; |
| 954 | CharFrontend *fe; |
| 955 | CharFrontend *client_fe; |
| 956 | } SocketIdleData; |
| 957 | |
| 958 | |
| 959 | static void socket_read_hello(void *opaque, const uint8_t *buf, int size) |
| 960 | { |
| 961 | g_assert_cmpint(size, ==, 5); |
| 962 | g_assert(strncmp((char *)buf, "hello", 5) == 0); |
| 963 | |
| 964 | quit = true; |
| 965 | } |
| 966 | |
| 967 | static int socket_can_read_hello(void *opaque) |
| 968 | { |
| 969 | return 10; |
| 970 | } |
| 971 | |
| 972 | static int make_udp_socket(int *port) |
| 973 | { |
| 974 | struct sockaddr_in addr = { 0, }; |
| 975 | socklen_t alen = sizeof(addr); |
| 976 | int ret, sock = qemu_socket(PF_INET, SOCK_DGRAM, 0); |
| 977 | |
| 978 | g_assert_cmpint(sock, >=, 0); |
| 979 | addr.sin_family = AF_INET ; |
| 980 | addr.sin_addr.s_addr = htonl(INADDR_ANY); |
| 981 | addr.sin_port = 0; |
| 982 | ret = bind(sock, (struct sockaddr *)&addr, sizeof(addr)); |
| 983 | g_assert_cmpint(ret, ==, 0); |
| 984 | ret = getsockname(sock, (struct sockaddr *)&addr, &alen); |
| 985 | g_assert_cmpint(ret, ==, 0); |
| 986 | |
| 987 | *port = ntohs(addr.sin_port); |
| 988 | return sock; |
| 989 | } |
| 990 | |
| 991 | static void char_udp_test_internal(Chardev *reuse_chr, int sock) |
| 992 | { |
| 993 | struct sockaddr_in other; |
| 994 | SocketIdleData d = { 0, }; |
| 995 | Chardev *chr; |
| 996 | CharFrontend stack_fe, *fe = &stack_fe; |
| 997 | socklen_t alen = sizeof(other); |
| 998 | int ret; |
| 999 | char buf[10]; |
| 1000 | char *tmp = NULL; |
| 1001 | |
| 1002 | if (reuse_chr) { |
| 1003 | chr = reuse_chr; |
| 1004 | fe = chr->fe; |
| 1005 | } else { |
| 1006 | int port; |
| 1007 | sock = make_udp_socket(&port); |
| 1008 | tmp = g_strdup_printf("udp:127.0.0.1:%d", port); |
| 1009 | chr = qemu_chr_new("client", tmp, NULL); |
| 1010 | g_assert_nonnull(chr); |
| 1011 | |
| 1012 | qemu_chr_fe_init(fe, chr, &error_abort); |
| 1013 | } |
| 1014 | |
| 1015 | g_assert(chr->be_open); |
| 1016 | |
| 1017 | d.chr = chr; |
| 1018 | qemu_chr_fe_set_handlers(fe, socket_can_read_hello, socket_read_hello, |
| 1019 | NULL, NULL, &d, NULL, true); |
| 1020 | ret = qemu_chr_write_all(chr, (uint8_t *)"hello", 5); |
| 1021 | g_assert_cmpint(ret, ==, 5); |
| 1022 | |
| 1023 | ret = recvfrom(sock, buf, sizeof(buf), 0, |
| 1024 | (struct sockaddr *)&other, &alen); |
| 1025 | g_assert_cmpint(ret, ==, 5); |
| 1026 | ret = sendto(sock, buf, 5, 0, (struct sockaddr *)&other, alen); |
| 1027 | g_assert_cmpint(ret, ==, 5); |
| 1028 | |
| 1029 | main_loop(); |
| 1030 | |
| 1031 | if (!reuse_chr) { |
| 1032 | close(sock); |
| 1033 | qemu_chr_fe_deinit(fe, true); |
| 1034 | } |
| 1035 | g_free(tmp); |
| 1036 | } |
| 1037 | |
| 1038 | static void char_udp_test(void) |
| 1039 | { |
| 1040 | char_udp_test_internal(NULL, 0); |
| 1041 | } |
| 1042 | |
| 1043 | |
| 1044 | typedef struct { |
| 1045 | int event; |
| 1046 | bool got_pong; |
| 1047 | CharFrontend *fe; |
| 1048 | } CharSocketTestData; |
| 1049 | |
| 1050 | |
| 1051 | #define SOCKET_PING "Hello" |
| 1052 | #define SOCKET_PONG "World" |
| 1053 | |
| 1054 | typedef void (*char_socket_cb)(void *opaque, QEMUChrEvent event); |
| 1055 | |
| 1056 | static void |
| 1057 | char_socket_event(void *opaque, QEMUChrEvent event) |
| 1058 | { |
| 1059 | CharSocketTestData *data = opaque; |
| 1060 | data->event = event; |
| 1061 | } |
| 1062 | |
| 1063 | static void |
| 1064 | char_socket_event_with_error(void *opaque, QEMUChrEvent event) |
| 1065 | { |
| 1066 | static bool first_error; |
| 1067 | CharSocketTestData *data = opaque; |
| 1068 | CharFrontend *fe = data->fe; |
| 1069 | data->event = event; |
| 1070 | switch (event) { |
| 1071 | case CHR_EVENT_OPENED: |
| 1072 | if (!first_error) { |
| 1073 | first_error = true; |
| 1074 | qemu_chr_fe_disconnect(fe); |
| 1075 | } |
| 1076 | return; |
| 1077 | case CHR_EVENT_CLOSED: |
| 1078 | return; |
| 1079 | default: |
| 1080 | return; |
| 1081 | } |
| 1082 | } |
| 1083 | |
| 1084 | |
| 1085 | static void |
| 1086 | char_socket_read(void *opaque, const uint8_t *buf, int size) |
| 1087 | { |
| 1088 | CharSocketTestData *data = opaque; |
| 1089 | g_assert_cmpint(size, ==, sizeof(SOCKET_PONG)); |
| 1090 | g_assert(memcmp(buf, SOCKET_PONG, size) == 0); |
| 1091 | data->got_pong = true; |
| 1092 | } |
| 1093 | |
| 1094 | |
| 1095 | static int |
| 1096 | char_socket_can_read(void *opaque) |
| 1097 | { |
| 1098 | return sizeof(SOCKET_PONG); |
| 1099 | } |
| 1100 | |
| 1101 | |
| 1102 | static char * |
| 1103 | char_socket_addr_to_opt_str(SocketAddress *addr, bool fd_pass, |
| 1104 | const char *reconnect, bool is_listen) |
| 1105 | { |
| 1106 | if (fd_pass) { |
| 1107 | QIOChannelSocket *ioc = qio_channel_socket_new(); |
| 1108 | int fd; |
| 1109 | char *optstr; |
| 1110 | g_assert(!reconnect); |
| 1111 | if (is_listen) { |
| 1112 | qio_channel_socket_listen_sync(ioc, addr, 1, &error_abort); |
| 1113 | } else { |
| 1114 | qio_channel_socket_connect_sync(ioc, addr, &error_abort); |
| 1115 | } |
| 1116 | fd = ioc->fd; |
| 1117 | ioc->fd = -1; |
| 1118 | optstr = g_strdup_printf("socket,id=cdev0,fd=%d%s", |
| 1119 | fd, is_listen ? ",server=on,wait=off" : ""); |
| 1120 | object_unref(OBJECT(ioc)); |
| 1121 | return optstr; |
| 1122 | } else { |
| 1123 | switch (addr->type) { |
| 1124 | case SOCKET_ADDRESS_TYPE_INET: |
| 1125 | return g_strdup_printf("socket,id=cdev0,host=%s,port=%s%s%s", |
| 1126 | addr->u.inet.host, |
| 1127 | addr->u.inet.port, |
| 1128 | reconnect ? reconnect : "", |
| 1129 | is_listen ? ",server=on,wait=off" : ""); |
| 1130 | |
| 1131 | case SOCKET_ADDRESS_TYPE_UNIX: |
| 1132 | return g_strdup_printf("socket,id=cdev0,path=%s%s%s", |
| 1133 | addr->u.q_unix.path, |
| 1134 | reconnect ? reconnect : "", |
| 1135 | is_listen ? ",server=on,wait=off" : ""); |
| 1136 | |
| 1137 | default: |
| 1138 | g_assert_not_reached(); |
| 1139 | } |
| 1140 | } |
| 1141 | } |
| 1142 | |
| 1143 | |
| 1144 | static int |
| 1145 | char_socket_ping_pong(QIOChannel *ioc, Error **errp) |
| 1146 | { |
| 1147 | char greeting[sizeof(SOCKET_PING)]; |
| 1148 | const char *response = SOCKET_PONG; |
| 1149 | |
| 1150 | int ret; |
| 1151 | ret = qio_channel_read_all(ioc, greeting, sizeof(greeting), errp); |
| 1152 | if (ret != 0) { |
| 1153 | object_unref(OBJECT(ioc)); |
| 1154 | return -1; |
| 1155 | } |
| 1156 | |
| 1157 | g_assert(memcmp(greeting, SOCKET_PING, sizeof(greeting)) == 0); |
| 1158 | |
| 1159 | qio_channel_write_all(ioc, response, sizeof(SOCKET_PONG), errp); |
| 1160 | object_unref(OBJECT(ioc)); |
| 1161 | return 0; |
| 1162 | } |
| 1163 | |
| 1164 | |
| 1165 | static gpointer |
| 1166 | char_socket_server_client_thread(gpointer data) |
| 1167 | { |
| 1168 | SocketAddress *addr = data; |
| 1169 | QIOChannelSocket *ioc = qio_channel_socket_new(); |
| 1170 | |
| 1171 | qio_channel_socket_connect_sync(ioc, addr, &error_abort); |
| 1172 | |
| 1173 | char_socket_ping_pong(QIO_CHANNEL(ioc), &error_abort); |
| 1174 | |
| 1175 | return NULL; |
| 1176 | } |
| 1177 | |
| 1178 | |
| 1179 | typedef struct { |
| 1180 | SocketAddress *addr; |
| 1181 | bool wait_connected; |
| 1182 | bool fd_pass; |
| 1183 | } CharSocketServerTestConfig; |
| 1184 | |
| 1185 | |
| 1186 | static void char_socket_server_test(gconstpointer opaque) |
| 1187 | { |
| 1188 | const CharSocketServerTestConfig *config = opaque; |
| 1189 | Chardev *chr; |
| 1190 | CharFrontend c = {0}; |
| 1191 | CharSocketTestData data = {0}; |
| 1192 | QObject *qaddr; |
| 1193 | SocketAddress *addr; |
| 1194 | Visitor *v; |
| 1195 | QemuThread thread; |
| 1196 | int ret; |
| 1197 | bool reconnected = false; |
| 1198 | char *optstr; |
| 1199 | QemuOpts *opts; |
| 1200 | |
| 1201 | g_setenv("QTEST_SILENT_ERRORS", "1", 1); |
| 1202 | /* |
| 1203 | * We rely on config->addr containing "wait=off", otherwise |
| 1204 | * qemu_chr_new() will block until a client connects. We |
| 1205 | * can't spawn our client thread though, because until |
| 1206 | * qemu_chr_new() returns we don't know what TCP port was |
| 1207 | * allocated by the OS |
| 1208 | */ |
| 1209 | optstr = char_socket_addr_to_opt_str(config->addr, |
| 1210 | config->fd_pass, |
| 1211 | NULL, |
| 1212 | true); |
| 1213 | opts = qemu_opts_parse_noisily(qemu_find_opts("chardev"), |
| 1214 | optstr, true); |
| 1215 | g_assert_nonnull(opts); |
| 1216 | chr = qemu_chr_new_from_opts(opts, NULL, &error_abort); |
| 1217 | qemu_opts_del(opts); |
| 1218 | g_assert_nonnull(chr); |
| 1219 | g_assert(!object_property_get_bool(OBJECT(chr), "connected", &error_abort)); |
| 1220 | |
| 1221 | qaddr = object_property_get_qobject(OBJECT(chr), "addr", &error_abort); |
| 1222 | g_assert_nonnull(qaddr); |
| 1223 | |
| 1224 | v = qobject_input_visitor_new(qaddr); |
| 1225 | visit_type_SocketAddress(v, "addr", &addr, &error_abort); |
| 1226 | visit_free(v); |
| 1227 | qobject_unref(qaddr); |
| 1228 | |
| 1229 | qemu_chr_fe_init(&c, chr, &error_abort); |
| 1230 | |
| 1231 | reconnect: |
| 1232 | data.event = -1; |
| 1233 | data.fe = &c; |
| 1234 | qemu_chr_fe_set_handlers(&c, NULL, NULL, |
| 1235 | char_socket_event, NULL, |
| 1236 | &data, NULL, true); |
| 1237 | g_assert(data.event == -1); |
| 1238 | |
| 1239 | /* |
| 1240 | * Kick off a thread to act as the "remote" client |
| 1241 | * which just plays ping-pong with us |
| 1242 | */ |
| 1243 | qemu_thread_create(&thread, "client", |
| 1244 | char_socket_server_client_thread, |
| 1245 | addr, QEMU_THREAD_JOINABLE); |
| 1246 | g_assert(data.event == -1); |
| 1247 | |
| 1248 | if (config->wait_connected) { |
| 1249 | /* Synchronously accept a connection */ |
| 1250 | qemu_chr_wait_connected(chr, &error_abort); |
| 1251 | } else { |
| 1252 | /* |
| 1253 | * Asynchronously accept a connection when the evnt |
| 1254 | * loop reports the listener socket as readable |
| 1255 | */ |
| 1256 | while (data.event == -1) { |
| 1257 | main_loop_wait(false); |
| 1258 | } |
| 1259 | } |
| 1260 | g_assert(object_property_get_bool(OBJECT(chr), "connected", &error_abort)); |
| 1261 | g_assert(data.event == CHR_EVENT_OPENED); |
| 1262 | data.event = -1; |
| 1263 | |
| 1264 | /* Send a greeting to the client */ |
| 1265 | ret = qemu_chr_fe_write_all(&c, (const uint8_t *)SOCKET_PING, |
| 1266 | sizeof(SOCKET_PING)); |
| 1267 | g_assert_cmpint(ret, ==, sizeof(SOCKET_PING)); |
| 1268 | g_assert(data.event == -1); |
| 1269 | |
| 1270 | /* Setup a callback to receive the reply to our greeting */ |
| 1271 | qemu_chr_fe_set_handlers(&c, char_socket_can_read, |
| 1272 | char_socket_read, |
| 1273 | char_socket_event, NULL, |
| 1274 | &data, NULL, true); |
| 1275 | g_assert(data.event == CHR_EVENT_OPENED); |
| 1276 | data.event = -1; |
| 1277 | |
| 1278 | /* Wait for the client to go away */ |
| 1279 | while (data.event == -1) { |
| 1280 | main_loop_wait(false); |
| 1281 | } |
| 1282 | g_assert(!object_property_get_bool(OBJECT(chr), "connected", &error_abort)); |
| 1283 | g_assert(data.event == CHR_EVENT_CLOSED); |
| 1284 | g_assert(data.got_pong); |
| 1285 | |
| 1286 | qemu_thread_join(&thread); |
| 1287 | |
| 1288 | if (!reconnected) { |
| 1289 | reconnected = true; |
| 1290 | goto reconnect; |
| 1291 | } |
| 1292 | |
| 1293 | qapi_free_SocketAddress(addr); |
| 1294 | object_unparent(OBJECT(chr)); |
| 1295 | g_free(optstr); |
| 1296 | g_unsetenv("QTEST_SILENT_ERRORS"); |
| 1297 | } |
| 1298 | |
| 1299 | |
| 1300 | static gpointer |
| 1301 | char_socket_client_server_thread(gpointer data) |
| 1302 | { |
| 1303 | QIOChannelSocket *ioc = data; |
| 1304 | QIOChannelSocket *cioc; |
| 1305 | |
| 1306 | retry: |
| 1307 | cioc = qio_channel_socket_accept(ioc, &error_abort); |
| 1308 | g_assert_nonnull(cioc); |
| 1309 | |
| 1310 | if (char_socket_ping_pong(QIO_CHANNEL(cioc), NULL) != 0) { |
| 1311 | goto retry; |
| 1312 | } |
| 1313 | |
| 1314 | return NULL; |
| 1315 | } |
| 1316 | |
| 1317 | |
| 1318 | typedef struct { |
| 1319 | SocketAddress *addr; |
| 1320 | const char *reconnect; |
| 1321 | bool wait_connected; |
| 1322 | bool fd_pass; |
| 1323 | char_socket_cb event_cb; |
| 1324 | } CharSocketClientTestConfig; |
| 1325 | |
| 1326 | static void char_socket_client_dupid_test(gconstpointer opaque) |
| 1327 | { |
| 1328 | const CharSocketClientTestConfig *config = opaque; |
| 1329 | QIOChannelSocket *ioc; |
| 1330 | char *optstr; |
| 1331 | Chardev *chr1, *chr2; |
| 1332 | SocketAddress *addr; |
| 1333 | QemuOpts *opts; |
| 1334 | Error *local_err = NULL; |
| 1335 | |
| 1336 | /* |
| 1337 | * Setup a listener socket and determine get its address |
| 1338 | * so we know the TCP port for the client later |
| 1339 | */ |
| 1340 | ioc = qio_channel_socket_new(); |
| 1341 | g_assert_nonnull(ioc); |
| 1342 | qio_channel_socket_listen_sync(ioc, config->addr, 1, &error_abort); |
| 1343 | addr = qio_channel_socket_get_local_address(ioc, &error_abort); |
| 1344 | g_assert_nonnull(addr); |
| 1345 | |
| 1346 | /* |
| 1347 | * Populate the chardev address based on what the server |
| 1348 | * is actually listening on |
| 1349 | */ |
| 1350 | optstr = char_socket_addr_to_opt_str(addr, |
| 1351 | config->fd_pass, |
| 1352 | config->reconnect, |
| 1353 | false); |
| 1354 | |
| 1355 | opts = qemu_opts_parse_noisily(qemu_find_opts("chardev"), |
| 1356 | optstr, true); |
| 1357 | g_assert_nonnull(opts); |
| 1358 | chr1 = qemu_chr_new_from_opts(opts, NULL, &error_abort); |
| 1359 | g_assert_nonnull(chr1); |
| 1360 | qemu_chr_wait_connected(chr1, &error_abort); |
| 1361 | |
| 1362 | chr2 = qemu_chr_new_from_opts(opts, NULL, &local_err); |
| 1363 | g_assert_null(chr2); |
| 1364 | error_free_or_abort(&local_err); |
| 1365 | |
| 1366 | object_unref(OBJECT(ioc)); |
| 1367 | qemu_opts_del(opts); |
| 1368 | object_unparent(OBJECT(chr1)); |
| 1369 | qapi_free_SocketAddress(addr); |
| 1370 | g_free(optstr); |
| 1371 | } |
| 1372 | |
| 1373 | static void char_socket_client_test(gconstpointer opaque) |
| 1374 | { |
| 1375 | const CharSocketClientTestConfig *config = opaque; |
| 1376 | const char_socket_cb event_cb = config->event_cb; |
| 1377 | QIOChannelSocket *ioc; |
| 1378 | char *optstr; |
| 1379 | Chardev *chr; |
| 1380 | CharFrontend c = {0}; |
| 1381 | CharSocketTestData data = {0}; |
| 1382 | SocketAddress *addr; |
| 1383 | QemuThread thread; |
| 1384 | int ret; |
| 1385 | bool reconnected = false; |
| 1386 | QemuOpts *opts; |
| 1387 | |
| 1388 | /* |
| 1389 | * Setup a listener socket and determine get its address |
| 1390 | * so we know the TCP port for the client later |
| 1391 | */ |
| 1392 | ioc = qio_channel_socket_new(); |
| 1393 | g_assert_nonnull(ioc); |
| 1394 | qio_channel_socket_listen_sync(ioc, config->addr, 1, &error_abort); |
| 1395 | addr = qio_channel_socket_get_local_address(ioc, &error_abort); |
| 1396 | g_assert_nonnull(addr); |
| 1397 | |
| 1398 | /* |
| 1399 | * Kick off a thread to act as the "remote" client |
| 1400 | * which just plays ping-pong with us |
| 1401 | */ |
| 1402 | qemu_thread_create(&thread, "client", |
| 1403 | char_socket_client_server_thread, |
| 1404 | ioc, QEMU_THREAD_JOINABLE); |
| 1405 | |
| 1406 | /* |
| 1407 | * Populate the chardev address based on what the server |
| 1408 | * is actually listening on |
| 1409 | */ |
| 1410 | optstr = char_socket_addr_to_opt_str(addr, |
| 1411 | config->fd_pass, |
| 1412 | config->reconnect, |
| 1413 | false); |
| 1414 | |
| 1415 | opts = qemu_opts_parse_noisily(qemu_find_opts("chardev"), |
| 1416 | optstr, true); |
| 1417 | g_assert_nonnull(opts); |
| 1418 | chr = qemu_chr_new_from_opts(opts, NULL, &error_abort); |
| 1419 | qemu_opts_del(opts); |
| 1420 | g_assert_nonnull(chr); |
| 1421 | |
| 1422 | if (config->reconnect) { |
| 1423 | /* |
| 1424 | * If reconnect is set, the connection will be |
| 1425 | * established in a background thread and we won't |
| 1426 | * see the "connected" status updated until we |
| 1427 | * run the main event loop, or call qemu_chr_wait_connected |
| 1428 | */ |
| 1429 | g_assert(!object_property_get_bool(OBJECT(chr), "connected", |
| 1430 | &error_abort)); |
| 1431 | } else { |
| 1432 | g_assert(object_property_get_bool(OBJECT(chr), "connected", |
| 1433 | &error_abort)); |
| 1434 | } |
| 1435 | |
| 1436 | qemu_chr_fe_init(&c, chr, &error_abort); |
| 1437 | |
| 1438 | reconnect: |
| 1439 | data.event = -1; |
| 1440 | data.fe = &c; |
| 1441 | qemu_chr_fe_set_handlers(&c, NULL, NULL, |
| 1442 | event_cb, NULL, |
| 1443 | &data, NULL, true); |
| 1444 | if (config->reconnect) { |
| 1445 | g_assert(data.event == -1); |
| 1446 | } else { |
| 1447 | g_assert(data.event == CHR_EVENT_OPENED); |
| 1448 | } |
| 1449 | |
| 1450 | if (config->wait_connected) { |
| 1451 | /* |
| 1452 | * Synchronously wait for the connection to complete |
| 1453 | * This should be a no-op if reconnect is not set. |
| 1454 | */ |
| 1455 | qemu_chr_wait_connected(chr, &error_abort); |
| 1456 | } else { |
| 1457 | /* |
| 1458 | * Asynchronously wait for the connection to be reported |
| 1459 | * as complete when the background thread reports its |
| 1460 | * status. |
| 1461 | * The loop will short-circuit if reconnect was set |
| 1462 | */ |
| 1463 | while (data.event == -1) { |
| 1464 | main_loop_wait(false); |
| 1465 | } |
| 1466 | } |
| 1467 | g_assert(data.event == CHR_EVENT_OPENED); |
| 1468 | data.event = -1; |
| 1469 | g_assert(object_property_get_bool(OBJECT(chr), "connected", &error_abort)); |
| 1470 | |
| 1471 | /* Send a greeting to the server */ |
| 1472 | ret = qemu_chr_fe_write_all(&c, (const uint8_t *)SOCKET_PING, |
| 1473 | sizeof(SOCKET_PING)); |
| 1474 | g_assert_cmpint(ret, ==, sizeof(SOCKET_PING)); |
| 1475 | g_assert(data.event == -1); |
| 1476 | |
| 1477 | /* Setup a callback to receive the reply to our greeting */ |
| 1478 | qemu_chr_fe_set_handlers(&c, char_socket_can_read, |
| 1479 | char_socket_read, |
| 1480 | event_cb, NULL, |
| 1481 | &data, NULL, true); |
| 1482 | g_assert(data.event == CHR_EVENT_OPENED); |
| 1483 | data.event = -1; |
| 1484 | |
| 1485 | /* Wait for the server to go away */ |
| 1486 | while (data.event == -1) { |
| 1487 | main_loop_wait(false); |
| 1488 | } |
| 1489 | g_assert(data.event == CHR_EVENT_CLOSED); |
| 1490 | g_assert(!object_property_get_bool(OBJECT(chr), "connected", &error_abort)); |
| 1491 | g_assert(data.got_pong); |
| 1492 | qemu_thread_join(&thread); |
| 1493 | |
| 1494 | if (config->reconnect && !reconnected) { |
| 1495 | reconnected = true; |
| 1496 | qemu_thread_create(&thread, "client", |
| 1497 | char_socket_client_server_thread, |
| 1498 | ioc, QEMU_THREAD_JOINABLE); |
| 1499 | goto reconnect; |
| 1500 | } |
| 1501 | |
| 1502 | object_unref(OBJECT(ioc)); |
| 1503 | object_unparent(OBJECT(chr)); |
| 1504 | qapi_free_SocketAddress(addr); |
| 1505 | g_free(optstr); |
| 1506 | } |
| 1507 | |
| 1508 | static void |
| 1509 | count_closed_event(void *opaque, QEMUChrEvent event) |
| 1510 | { |
| 1511 | int *count = opaque; |
| 1512 | if (event == CHR_EVENT_CLOSED) { |
| 1513 | (*count)++; |
| 1514 | } |
| 1515 | } |
| 1516 | |
| 1517 | static void |
| 1518 | char_socket_discard_read(void *opaque, const uint8_t *buf, int size) |
| 1519 | { |
| 1520 | } |
| 1521 | |
| 1522 | static void char_socket_server_two_clients_test(gconstpointer opaque) |
| 1523 | { |
| 1524 | SocketAddress *incoming_addr = (gpointer) opaque; |
| 1525 | Chardev *chr; |
| 1526 | CharFrontend c = {0}; |
| 1527 | QObject *qaddr; |
| 1528 | SocketAddress *addr; |
| 1529 | Visitor *v; |
| 1530 | char *optstr; |
| 1531 | QemuOpts *opts; |
| 1532 | QIOChannelSocket *ioc1, *ioc2; |
| 1533 | int closed = 0; |
| 1534 | |
| 1535 | g_setenv("QTEST_SILENT_ERRORS", "1", 1); |
| 1536 | /* |
| 1537 | * We rely on addr containing "wait=off", otherwise |
| 1538 | * qemu_chr_new() will block until a client connects. We |
| 1539 | * can't spawn our client thread though, because until |
| 1540 | * qemu_chr_new() returns we don't know what TCP port was |
| 1541 | * allocated by the OS |
| 1542 | */ |
| 1543 | optstr = char_socket_addr_to_opt_str(incoming_addr, |
| 1544 | false, |
| 1545 | NULL, |
| 1546 | true); |
| 1547 | opts = qemu_opts_parse_noisily(qemu_find_opts("chardev"), |
| 1548 | optstr, true); |
| 1549 | g_assert_nonnull(opts); |
| 1550 | chr = qemu_chr_new_from_opts(opts, NULL, &error_abort); |
| 1551 | qemu_opts_del(opts); |
| 1552 | g_assert_nonnull(chr); |
| 1553 | g_assert(!object_property_get_bool(OBJECT(chr), "connected", &error_abort)); |
| 1554 | |
| 1555 | qaddr = object_property_get_qobject(OBJECT(chr), "addr", &error_abort); |
| 1556 | g_assert_nonnull(qaddr); |
| 1557 | |
| 1558 | v = qobject_input_visitor_new(qaddr); |
| 1559 | visit_type_SocketAddress(v, "addr", &addr, &error_abort); |
| 1560 | visit_free(v); |
| 1561 | qobject_unref(qaddr); |
| 1562 | |
| 1563 | qemu_chr_fe_init(&c, chr, &error_abort); |
| 1564 | |
| 1565 | qemu_chr_fe_set_handlers(&c, char_socket_can_read, char_socket_discard_read, |
| 1566 | count_closed_event, NULL, |
| 1567 | &closed, NULL, true); |
| 1568 | |
| 1569 | ioc1 = qio_channel_socket_new(); |
| 1570 | qio_channel_socket_connect_sync(ioc1, addr, &error_abort); |
| 1571 | qemu_chr_wait_connected(chr, &error_abort); |
| 1572 | |
| 1573 | /* switch the chardev to another context */ |
| 1574 | GMainContext *ctx = g_main_context_new(); |
| 1575 | qemu_chr_fe_set_handlers(&c, char_socket_can_read, char_socket_discard_read, |
| 1576 | count_closed_event, NULL, |
| 1577 | &closed, ctx, true); |
| 1578 | |
| 1579 | /* Start a second connection while the first is still connected. |
| 1580 | * It will be placed in the listen() backlog, and connect() will |
| 1581 | * succeed immediately. |
| 1582 | */ |
| 1583 | ioc2 = qio_channel_socket_new(); |
| 1584 | qio_channel_socket_connect_sync(ioc2, addr, &error_abort); |
| 1585 | |
| 1586 | object_unref(OBJECT(ioc1)); |
| 1587 | /* The two connections should now be processed serially. */ |
| 1588 | while (g_main_context_iteration(ctx, TRUE)) { |
| 1589 | if (closed == 1 && ioc2) { |
| 1590 | object_unref(OBJECT(ioc2)); |
| 1591 | ioc2 = NULL; |
| 1592 | } |
| 1593 | if (closed == 2) { |
| 1594 | break; |
| 1595 | } |
| 1596 | } |
| 1597 | |
| 1598 | qapi_free_SocketAddress(addr); |
| 1599 | object_unparent(OBJECT(chr)); |
| 1600 | g_main_context_unref(ctx); |
| 1601 | g_free(optstr); |
| 1602 | g_unsetenv("QTEST_SILENT_ERRORS"); |
| 1603 | } |
| 1604 | |
| 1605 | |
| 1606 | #if defined(HAVE_CHARDEV_SERIAL) && !defined(WIN32) |
| 1607 | static void char_serial_test(void) |
| 1608 | { |
| 1609 | QemuOpts *opts; |
| 1610 | Chardev *chr; |
| 1611 | |
| 1612 | opts = qemu_opts_create(qemu_find_opts("chardev"), "serial-id", |
| 1613 | 1, &error_abort); |
| 1614 | qemu_opt_set(opts, "backend", "serial", &error_abort); |
| 1615 | qemu_opt_set(opts, "path", "/dev/null", &error_abort); |
| 1616 | |
| 1617 | chr = qemu_chr_new_from_opts(opts, NULL, NULL); |
| 1618 | g_assert_nonnull(chr); |
| 1619 | /* TODO: add more tests with a pty */ |
| 1620 | object_unparent(OBJECT(chr)); |
| 1621 | |
| 1622 | qemu_opts_del(opts); |
| 1623 | } |
| 1624 | #endif |
| 1625 | |
| 1626 | #if defined(HAVE_CHARDEV_PARALLEL) && !defined(WIN32) |
| 1627 | static void char_parallel_test(void) |
| 1628 | { |
| 1629 | QemuOpts *opts; |
| 1630 | Chardev *chr; |
| 1631 | |
| 1632 | opts = qemu_opts_create(qemu_find_opts("chardev"), "parallel-id", |
| 1633 | 1, &error_abort); |
| 1634 | qemu_opt_set(opts, "backend", "parallel", &error_abort); |
| 1635 | qemu_opt_set(opts, "path", "/dev/null", &error_abort); |
| 1636 | |
| 1637 | chr = qemu_chr_new_from_opts(opts, NULL, NULL); |
| 1638 | #ifdef __linux__ |
| 1639 | /* fails to PPCLAIM, see qemu_chr_open_pp_fd() */ |
| 1640 | g_assert_null(chr); |
| 1641 | #else |
| 1642 | g_assert_nonnull(chr); |
| 1643 | object_unparent(OBJECT(chr)); |
| 1644 | #endif |
| 1645 | |
| 1646 | qemu_opts_del(opts); |
| 1647 | } |
| 1648 | #endif |
| 1649 | |
| 1650 | #ifndef _WIN32 |
| 1651 | static void char_file_fifo_test(void) |
| 1652 | { |
| 1653 | Chardev *chr; |
| 1654 | CharFrontend c; |
| 1655 | char *tmp_path = g_dir_make_tmp("qemu-test-char.XXXXXX", NULL); |
| 1656 | char *fifo = g_build_filename(tmp_path, "fifo", NULL); |
| 1657 | char *out = g_build_filename(tmp_path, "out", NULL); |
| 1658 | ChardevFile file = { .in = fifo, |
| 1659 | .out = out }; |
| 1660 | ChardevBackend backend = { .type = CHARDEV_BACKEND_KIND_FILE, |
| 1661 | .u.file.data = &file }; |
| 1662 | FeHandler fe = { 0, }; |
| 1663 | int fd, ret; |
| 1664 | |
| 1665 | if (mkfifo(fifo, 0600) < 0) { |
| 1666 | abort(); |
| 1667 | } |
| 1668 | |
| 1669 | fd = open(fifo, O_RDWR); |
| 1670 | ret = write(fd, "fifo-in", 8); |
| 1671 | g_assert_cmpint(ret, ==, 8); |
| 1672 | |
| 1673 | chr = qemu_chardev_new("label-file", TYPE_CHARDEV_FILE, &backend, |
| 1674 | NULL, &error_abort); |
| 1675 | |
| 1676 | qemu_chr_fe_init(&c, chr, &error_abort); |
| 1677 | qemu_chr_fe_set_handlers(&c, |
| 1678 | fe_can_read, |
| 1679 | fe_read, |
| 1680 | fe_event, |
| 1681 | NULL, |
| 1682 | &fe, NULL, true); |
| 1683 | |
| 1684 | g_assert_cmpint(fe.last_event, !=, CHR_EVENT_BREAK); |
| 1685 | qmp_chardev_send_break("label-foo", NULL); |
| 1686 | g_assert_cmpint(fe.last_event, !=, CHR_EVENT_BREAK); |
| 1687 | qmp_chardev_send_break("label-file", NULL); |
| 1688 | g_assert_cmpint(fe.last_event, ==, CHR_EVENT_BREAK); |
| 1689 | |
| 1690 | main_loop(); |
| 1691 | |
| 1692 | close(fd); |
| 1693 | |
| 1694 | g_assert_cmpint(fe.read_count, ==, 8); |
| 1695 | g_assert_cmpstr(fe.read_buf, ==, "fifo-in"); |
| 1696 | |
| 1697 | qemu_chr_fe_deinit(&c, true); |
| 1698 | |
| 1699 | g_unlink(fifo); |
| 1700 | g_free(fifo); |
| 1701 | g_unlink(out); |
| 1702 | g_free(out); |
| 1703 | g_rmdir(tmp_path); |
| 1704 | g_free(tmp_path); |
| 1705 | } |
| 1706 | #endif |
| 1707 | |
| 1708 | static void char_file_test_internal(Chardev *ext_chr, const char *filepath) |
| 1709 | { |
| 1710 | char *tmp_path = g_dir_make_tmp("qemu-test-char.XXXXXX", NULL); |
| 1711 | char *out; |
| 1712 | Chardev *chr; |
| 1713 | char *contents = NULL; |
| 1714 | ChardevFile file = {}; |
| 1715 | ChardevBackend backend = { .type = CHARDEV_BACKEND_KIND_FILE, |
| 1716 | .u.file.data = &file }; |
| 1717 | gsize length; |
| 1718 | int ret; |
| 1719 | |
| 1720 | if (ext_chr) { |
| 1721 | chr = ext_chr; |
| 1722 | out = g_strdup(filepath); |
| 1723 | file.out = out; |
| 1724 | } else { |
| 1725 | out = g_build_filename(tmp_path, "out", NULL); |
| 1726 | file.out = out; |
| 1727 | chr = qemu_chardev_new(NULL, TYPE_CHARDEV_FILE, &backend, |
| 1728 | NULL, &error_abort); |
| 1729 | } |
| 1730 | ret = qemu_chr_write_all(chr, (uint8_t *)"hello!", 6); |
| 1731 | g_assert_cmpint(ret, ==, 6); |
| 1732 | |
| 1733 | ret = g_file_get_contents(out, &contents, &length, NULL); |
| 1734 | g_assert(ret == TRUE); |
| 1735 | g_assert_cmpint(length, ==, 6); |
| 1736 | g_assert(strncmp(contents, "hello!", 6) == 0); |
| 1737 | |
| 1738 | if (!ext_chr) { |
| 1739 | object_unparent(OBJECT(chr)); |
| 1740 | g_unlink(out); |
| 1741 | } |
| 1742 | g_free(contents); |
| 1743 | g_rmdir(tmp_path); |
| 1744 | g_free(tmp_path); |
| 1745 | g_free(out); |
| 1746 | } |
| 1747 | |
| 1748 | static void char_file_test(void) |
| 1749 | { |
| 1750 | char_file_test_internal(NULL, NULL); |
| 1751 | } |
| 1752 | |
| 1753 | static void char_null_test(void) |
| 1754 | { |
| 1755 | Error *err = NULL; |
| 1756 | Chardev *chr; |
| 1757 | CharFrontend c; |
| 1758 | int ret; |
| 1759 | |
| 1760 | chr = qemu_chr_find("label-null"); |
| 1761 | g_assert_null(chr); |
| 1762 | |
| 1763 | chr = qemu_chr_new("label-null", "null", NULL); |
| 1764 | chr = qemu_chr_find("label-null"); |
| 1765 | g_assert_nonnull(chr); |
| 1766 | |
| 1767 | g_assert(qemu_chr_has_feature(chr, |
| 1768 | QEMU_CHAR_FEATURE_FD_PASS) == false); |
| 1769 | g_assert(qemu_chr_has_feature(chr, |
| 1770 | QEMU_CHAR_FEATURE_RECONNECTABLE) == false); |
| 1771 | |
| 1772 | /* check max avail */ |
| 1773 | qemu_chr_fe_init(&c, chr, &error_abort); |
| 1774 | qemu_chr_fe_init(&c, chr, &err); |
| 1775 | error_free_or_abort(&err); |
| 1776 | |
| 1777 | /* deinit & reinit */ |
| 1778 | qemu_chr_fe_deinit(&c, false); |
| 1779 | qemu_chr_fe_init(&c, chr, &error_abort); |
| 1780 | |
| 1781 | qemu_chr_fe_set_open(&c, true); |
| 1782 | |
| 1783 | qemu_chr_fe_set_handlers(&c, |
| 1784 | fe_can_read, |
| 1785 | fe_read, |
| 1786 | fe_event, |
| 1787 | NULL, |
| 1788 | NULL, NULL, true); |
| 1789 | |
| 1790 | ret = qemu_chr_fe_write(&c, (void *)"buf", 4); |
| 1791 | g_assert_cmpint(ret, ==, 4); |
| 1792 | |
| 1793 | qemu_chr_fe_deinit(&c, true); |
| 1794 | } |
| 1795 | |
| 1796 | static void char_invalid_test(void) |
| 1797 | { |
| 1798 | Chardev *chr; |
| 1799 | g_setenv("QTEST_SILENT_ERRORS", "1", 1); |
| 1800 | chr = qemu_chr_new("label-invalid", "invalid", NULL); |
| 1801 | g_assert_null(chr); |
| 1802 | g_unsetenv("QTEST_SILENT_ERRORS"); |
| 1803 | } |
| 1804 | |
| 1805 | static int chardev_change(void *opaque) |
| 1806 | { |
| 1807 | return 0; |
| 1808 | } |
| 1809 | |
| 1810 | static int chardev_change_denied(void *opaque) |
| 1811 | { |
| 1812 | return -1; |
| 1813 | } |
| 1814 | |
| 1815 | static void char_hotswap_test(void) |
| 1816 | { |
| 1817 | char *chr_args; |
| 1818 | Chardev *chr; |
| 1819 | CharFrontend c; |
| 1820 | |
| 1821 | gchar *tmp_path = g_dir_make_tmp("qemu-test-char.XXXXXX", NULL); |
| 1822 | char *filename = g_build_filename(tmp_path, "file", NULL); |
| 1823 | ChardevFile file = { .out = filename }; |
| 1824 | ChardevBackend backend = { .type = CHARDEV_BACKEND_KIND_FILE, |
| 1825 | .u.file.data = &file }; |
| 1826 | ChardevReturn *ret; |
| 1827 | |
| 1828 | int port; |
| 1829 | int sock = make_udp_socket(&port); |
| 1830 | g_assert_cmpint(sock, >=, 0); |
| 1831 | |
| 1832 | chr_args = g_strdup_printf("udp:127.0.0.1:%d", port); |
| 1833 | |
| 1834 | chr = qemu_chr_new("chardev", chr_args, NULL); |
| 1835 | qemu_chr_fe_init(&c, chr, &error_abort); |
| 1836 | |
| 1837 | /* check that chardev operates correctly */ |
| 1838 | char_udp_test_internal(chr, sock); |
| 1839 | |
| 1840 | /* set the handler that denies the hotswap */ |
| 1841 | qemu_chr_fe_set_handlers(&c, NULL, NULL, |
| 1842 | NULL, chardev_change_denied, NULL, NULL, true); |
| 1843 | |
| 1844 | /* now, change is denied and has to keep the old backend operating */ |
| 1845 | ret = qmp_chardev_change("chardev", &backend, NULL); |
| 1846 | g_assert(!ret); |
| 1847 | g_assert(c.chr == chr); |
| 1848 | |
| 1849 | char_udp_test_internal(chr, sock); |
| 1850 | |
| 1851 | /* now allow the change */ |
| 1852 | qemu_chr_fe_set_handlers(&c, NULL, NULL, |
| 1853 | NULL, chardev_change, NULL, NULL, true); |
| 1854 | |
| 1855 | /* has to succeed now */ |
| 1856 | ret = qmp_chardev_change("chardev", &backend, &error_abort); |
| 1857 | g_assert(c.chr != chr); |
| 1858 | |
| 1859 | close(sock); |
| 1860 | chr = c.chr; |
| 1861 | |
| 1862 | /* run the file chardev test */ |
| 1863 | char_file_test_internal(chr, filename); |
| 1864 | |
| 1865 | object_unparent(OBJECT(chr)); |
| 1866 | |
| 1867 | qapi_free_ChardevReturn(ret); |
| 1868 | g_unlink(filename); |
| 1869 | g_free(filename); |
| 1870 | g_rmdir(tmp_path); |
| 1871 | g_free(tmp_path); |
| 1872 | g_free(chr_args); |
| 1873 | } |
| 1874 | |
| 1875 | static SocketAddress tcpaddr = { |
| 1876 | .type = SOCKET_ADDRESS_TYPE_INET, |
| 1877 | .u.inet.host = (char *)"127.0.0.1", |
| 1878 | .u.inet.port = (char *)"0", |
| 1879 | }; |
| 1880 | #ifndef WIN32 |
| 1881 | static SocketAddress unixaddr = { |
| 1882 | .type = SOCKET_ADDRESS_TYPE_UNIX, |
| 1883 | .u.q_unix.path = (char *)"test-char.sock", |
| 1884 | }; |
| 1885 | #endif |
| 1886 | |
| 1887 | int main(int argc, char **argv) |
| 1888 | { |
| 1889 | bool has_ipv4, has_ipv6; |
| 1890 | |
| 1891 | qemu_init_main_loop(&error_abort); |
| 1892 | socket_init(); |
| 1893 | |
| 1894 | g_test_init(&argc, &argv, NULL); |
| 1895 | |
| 1896 | if (socket_check_protocol_support(&has_ipv4, &has_ipv6) < 0) { |
| 1897 | g_printerr("socket_check_protocol_support() failed\n"); |
| 1898 | goto end; |
| 1899 | } |
| 1900 | |
| 1901 | module_call_init(MODULE_INIT_QOM); |
| 1902 | qemu_add_opts(&qemu_chardev_opts); |
| 1903 | |
| 1904 | g_test_add_func("/char/null", char_null_test); |
| 1905 | g_test_add_func("/char/invalid", char_invalid_test); |
| 1906 | g_test_add_func("/char/ringbuf", char_ringbuf_test); |
| 1907 | g_test_add_func("/char/mux", char_mux_test); |
| 1908 | g_test_add_func("/char/hub", char_hub_test); |
| 1909 | #ifdef _WIN32 |
| 1910 | g_test_add_func("/char/console/subprocess", char_console_test_subprocess); |
| 1911 | g_test_add_func("/char/console", char_console_test); |
| 1912 | #endif |
| 1913 | g_test_add_func("/char/stdio/subprocess", char_stdio_test_subprocess); |
| 1914 | g_test_add_func("/char/stdio", char_stdio_test); |
| 1915 | #ifndef _WIN32 |
| 1916 | g_test_add_func("/char/pipe", char_pipe_test); |
| 1917 | #endif |
| 1918 | g_test_add_func("/char/file", char_file_test); |
| 1919 | #ifndef _WIN32 |
| 1920 | g_test_add_func("/char/file-fifo", char_file_fifo_test); |
| 1921 | #endif |
| 1922 | |
| 1923 | #define SOCKET_SERVER_TEST(name, addr) \ |
| 1924 | static CharSocketServerTestConfig server1 ## name = \ |
| 1925 | { addr, false, false }; \ |
| 1926 | static CharSocketServerTestConfig server2 ## name = \ |
| 1927 | { addr, true, false }; \ |
| 1928 | static CharSocketServerTestConfig server3 ## name = \ |
| 1929 | { addr, false, true }; \ |
| 1930 | static CharSocketServerTestConfig server4 ## name = \ |
| 1931 | { addr, true, true }; \ |
| 1932 | g_test_add_data_func("/char/socket/server/mainloop/" # name, \ |
| 1933 | &server1 ##name, char_socket_server_test); \ |
| 1934 | g_test_add_data_func("/char/socket/server/wait-conn/" # name, \ |
| 1935 | &server2 ##name, char_socket_server_test); \ |
| 1936 | g_test_add_data_func("/char/socket/server/mainloop-fdpass/" # name, \ |
| 1937 | &server3 ##name, char_socket_server_test); \ |
| 1938 | g_test_add_data_func("/char/socket/server/wait-conn-fdpass/" # name, \ |
| 1939 | &server4 ##name, char_socket_server_test); \ |
| 1940 | g_test_add_data_func("/char/socket/server/two-clients/" # name, \ |
| 1941 | addr, char_socket_server_two_clients_test) |
| 1942 | |
| 1943 | #define SOCKET_CLIENT_TEST(name, addr) \ |
| 1944 | static CharSocketClientTestConfig client1 ## name = \ |
| 1945 | { addr, NULL, false, false, char_socket_event }; \ |
| 1946 | static CharSocketClientTestConfig client2 ## name = \ |
| 1947 | { addr, NULL, true, false, char_socket_event }; \ |
| 1948 | static CharSocketClientTestConfig client3 ## name = \ |
| 1949 | { addr, ",reconnect-ms=1000", false, false, char_socket_event }; \ |
| 1950 | static CharSocketClientTestConfig client4 ## name = \ |
| 1951 | { addr, ",reconnect-ms=1000", true, false, char_socket_event }; \ |
| 1952 | static CharSocketClientTestConfig client5 ## name = \ |
| 1953 | { addr, NULL, false, true, char_socket_event }; \ |
| 1954 | static CharSocketClientTestConfig client6 ## name = \ |
| 1955 | { addr, NULL, true, true, char_socket_event }; \ |
| 1956 | static CharSocketClientTestConfig client7 ## name = \ |
| 1957 | { addr, ",reconnect-ms=1000", true, false, \ |
| 1958 | char_socket_event_with_error }; \ |
| 1959 | static CharSocketClientTestConfig client8 ## name = \ |
| 1960 | { addr, ",reconnect-ms=1000", false, false, char_socket_event };\ |
| 1961 | g_test_add_data_func("/char/socket/client/mainloop/" # name, \ |
| 1962 | &client1 ##name, char_socket_client_test); \ |
| 1963 | g_test_add_data_func("/char/socket/client/wait-conn/" # name, \ |
| 1964 | &client2 ##name, char_socket_client_test); \ |
| 1965 | g_test_add_data_func("/char/socket/client/mainloop-reconnect/" # name, \ |
| 1966 | &client3 ##name, char_socket_client_test); \ |
| 1967 | g_test_add_data_func("/char/socket/client/wait-conn-reconnect/" # name, \ |
| 1968 | &client4 ##name, char_socket_client_test); \ |
| 1969 | g_test_add_data_func("/char/socket/client/mainloop-fdpass/" # name, \ |
| 1970 | &client5 ##name, char_socket_client_test); \ |
| 1971 | g_test_add_data_func("/char/socket/client/wait-conn-fdpass/" # name, \ |
| 1972 | &client6 ##name, char_socket_client_test); \ |
| 1973 | g_test_add_data_func("/char/socket/client/reconnect-error/" # name, \ |
| 1974 | &client7 ##name, char_socket_client_test); \ |
| 1975 | g_test_add_data_func("/char/socket/client/dupid-reconnect/" # name, \ |
| 1976 | &client8 ##name, char_socket_client_dupid_test) |
| 1977 | |
| 1978 | if (has_ipv4) { |
| 1979 | SOCKET_SERVER_TEST(tcp, &tcpaddr); |
| 1980 | SOCKET_CLIENT_TEST(tcp, &tcpaddr); |
| 1981 | } |
| 1982 | #ifndef WIN32 |
| 1983 | SOCKET_SERVER_TEST(unix, &unixaddr); |
| 1984 | SOCKET_CLIENT_TEST(unix, &unixaddr); |
| 1985 | #endif |
| 1986 | |
| 1987 | g_test_add_func("/char/udp", char_udp_test); |
| 1988 | #if defined(HAVE_CHARDEV_SERIAL) && !defined(WIN32) |
| 1989 | g_test_add_func("/char/serial", char_serial_test); |
| 1990 | #endif |
| 1991 | #if defined(HAVE_CHARDEV_PARALLEL) && !defined(WIN32) |
| 1992 | g_test_add_func("/char/parallel", char_parallel_test); |
| 1993 | #endif |
| 1994 | g_test_add_func("/char/hotswap", char_hotswap_test); |
| 1995 | g_test_add_func("/char/websocket", char_websock_test); |
| 1996 | |
| 1997 | end: |
| 1998 | return g_test_run(); |
| 1999 | } |